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The RT8979 is a USB port accessory detector and switch (USB1, USB2, UART &amp; MHL). The RT8979 adopts I<sup>2</sup>C bus for control and also uses an internal method to determine the connected device. <p align="justify">The RT8979 provides a device detection function by using the USB ID signal pin and the VBUS voltage. The ID pin resistance and VBUS voltage determine the unique detection method for various accessory. The host microprocessor adopts I<sup>2</sup>C to control the switch position and read the results of the accessory detection. The RT8979 also detects USB chargers including dedicated chargers (D+/D- shorted) and high power host/hub chargers. </p>
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  • 支持高速 USB 应用（USB1 和 USB2）
  • UART 和 MHL 切换开关
  • 附件插、拔中断提醒
  • 支持工厂模式
  • 28V 耐压
  • I2C 控制接口
  • DP_CON/DM_CON 端子集成 TVS 二极管，保护能力达 ±15V
  • ID_CON 端子集成 TVS 二极管，保护能力达 ±20V
  • 支持 USB BC1.2
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移动应用 智能手持设备 平板电脑
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